00281nam a2200109Ia 4500008004100000041000800041082002200049100001600071245005100087260002500138300000800163211209s1985    xx            000 0 und d  aeng  a624.151 N85.1 SIN  aSINGH, ALAM  aCURRENT PRACTICES IN GEOTECHNICAL ENGINEERING   aNEW DELHIbIBTc1985  a280